Baby aye aye gets a health check

This tiny baby aye aye at At San Diego Zoo was filmed getting a health check up.

The tiny animal, which is just one month old and weighs 256gs,

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The health check was carried out to ensure the aye aye is growing properly.

Forty has already gained 154 grammes in weight since he was born.

Aye ayes are very rare in captivity: only a handful of institutions house them as they are very difficult to breed.

The aye aye is a nocturnal species and is extremely endangered. In their native Madagascar, they are seen as a bad omen so they are often killed.